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    <script>
        //柯里化思想

        //请实现以下效果
        // function add (a, b, c) {
        //     console.log(add)
        //     return a + b + c
        // }
        

        // const res = add(1, 2, 3) //6
        // console.log(res);

        //要求声明一个curry函数，函数add经过curry函数的处理后，每次调用只能接收一个参数
        const sumFn=(...args)=>{
            return args.reduce((a,b)=>{
                return a+b;
            })
        };
        let currying=(fn)=>{
            const args=[];
            return function result(...rest){
                if(rest.length===0){
                    return fn(...args);
                }else{
                    args.push(...rest);
                    return result;
                }
            }
        }
       console.log( currying(sumFn)(15)(2,7)(4)(5)())

       
    </script>
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